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Non-filling large-flow self-sucking pump and use method thereof

A self-priming pump, high flow technology, applied in the components, pumps, driving pumps, etc. of the pumping device for elastic fluid, can solve the problems of large volume, filling, high production cost, and achieve small volume and wide application range. Wide and low production cost

Active Publication Date: 2017-05-31
宁波市镇海德瑞普电器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the above-mentioned shortcomings, the purpose of the present invention is to provide a non-filling large-flow self-priming pump and its use method to the art, so that it can solve the problem of high production cost of existing similar large-flow self-priming pumps. The volume is large, and the technical problem that the large flow impeller pump needs to be filled when used as a self-priming pump

Method used

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  • Non-filling large-flow self-sucking pump and use method thereof
  • Non-filling large-flow self-sucking pump and use method thereof
  • Non-filling large-flow self-sucking pump and use method thereof

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Embodiment Construction

[0019] Now in conjunction with the accompanying drawings, the structure of the present invention will be further described. Such as Figure 1 ~ Figure 3 As shown, the self-priming pump includes a pump body assembly and a motor 12, and the pump body assembly includes a large liquid inlet 1, a small liquid inlet a2, a small liquid inlet b3, a liquid inlet pipeline 5, a blade working chamber 8, Vane rotor 6, impeller working chamber 9, impeller 10, pump outlet 14, liquid injection chamber 15, impeller working chamber outlet 16; motor output shaft 11 of motor 12 is connected with impeller 10 and vane rotor 6 in turn, that is, vane rotor 6 and impeller 10 is connected in series on the motor output shaft 11 of the motor 12, and the vane rotor 6 is a dual vane wheel or a flexible vane wheel. The vane rotor 6 is arranged on the vane working chamber 8 of the pump body 13, the impeller 10 is arranged on the impeller working chamber 9 of the pump body 13, the vane working chamber 8 is p...

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Abstract

The invention relates to a non-filling large-flow self-sucking pump and a use method thereof and is designed to solve the technical problems that an existing large-flow self-sucking pump of the same type is excessively high in production cost and large in size, and filling is required when a large-flow impeller pump is used as the self-sucking pump. The self-sucking pump comprises a pump body assembly and motors and is mainly characterized in that motor output shafts of the motors are connected with an impeller and a blade rotor correspondingly, the blade rotor is a child-mother blade wheel or a flexible impeller wheel, the blade rotor is arranged in a blade work cavity of a pump body, the impeller is arranged in an impeller work cavity of the pump body, a small liquid inlet a and small liquid inlet b of the pump body communicate with the blade work cavity through a liquid feeding pipe, a large liquid inlet and an outlet of the blade work cavity communicate with the impeller work cavity through a liquid injection cavity, a pump outlet of the pump body communicates with the impeller work cavity through an outlet of the impeller work cavity, and the small liquid inlet a, the small liquid inlet b and the liquid feeding pipe (5) are arranged to be of an F shape. If the small liquid inlet a or the small liquid inlet b is sealed, the small liquid inlet b or the small liquid inlet a is opened.

Description

technical field [0001] The invention relates to a self-priming pump for liquid transportation, which is a self-priming pump with large flow without filling and a use method thereof. Background technique [0002] At present, the self-priming pumps of pumps for liquid transportation are mostly vane pumps, flexible vane pumps and impeller pumps. Vane pumps and flexible vane pumps have excellent self-priming performance due to the friction between the vane and the pump chamber, and there is no need to fill in advance when working. liquid. Due to the frictional fit between the vane and the pump chamber, the high-flow vane pump and the flexible vane pump need to be driven by a high-torque motor during operation, so the cost is relatively high. Impeller self-priming pumps are more common. The existing impeller self-priming pumps need to be filled with working fluid before working to fill the impeller space in the pump. The suction pump can work normally. Its advantage is that th...

Claims

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Application Information

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IPC IPC(8): F04D9/02F04D13/06F04D13/12F04D29/42F04C2/00F04C2/344F04C15/06
CPCF04C2/00F04C2/3441F04C15/06F04D9/02F04D13/06F04D13/12F04D29/426F04D29/4273
Inventor 华泽遂程元宝
Owner 宁波市镇海德瑞普电器有限公司
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